Sungrow Logger1000 - Connection to PV Devices; Connection to Inverter

6 Electrical Connection User Manual
22
Port
Function
Description
Grounding
Connecting protective grounding cable
AI/DI
Compatible with AI/DI
function
Default AI input sampling: 0-10V or
4-20mA
DI
Digital input
Max. withstand voltage: 24V
DRM
DRM (Demand
Response Modes)
function
Works together with the DI1~DI4 to
achieve the DRM function
0V
Digital reference point
-
RS485
RS485 communication
port
Support of 3 inputs of RS485
ETH Ethernet port
Can be connected to background master
via devices such as Ethernet switch and
router
WLAN
WLAN antenna
-
RST
Reset
Press it for 3s to reset
For the RS485 (A
1
B
1
~A
3
B
3
) ports, the communication distance should not
exceed 1,000m.
6.3 Connection to PV Devices
Devices in the PV system that can be connected to the Logger1000 includes the
inverter, Meteo Station, energy meter, etc.
6.3.1 Connection to Inverter
Connection to a single inverter
The RS485 port of SUNGROW inverter is RS485 terminal block or RJ45 port.
RS485 terminal block connection
Communication cable specification:
Cable Type
Recommended
cross-section
Outer cable
diameters
RS485
communication
cable
Shielded
twisted pair 1mm
2
~2mm
2
12mm
Cable connection procedure:
Step 1 Lead the RS485 communication cable from the inverter to the wiring area of
Logger1000.